Tom enjoys smoothies on a hot day. Tom gets distracted and leaves a bottle of cold milk out on the table for 1010 minutes. When he returns he notices that the bottle appears to be sweating. There are little droplets of water on the outside of the bottle.
Question
Tom enjoys smoothies on a hot day. Tom gets distracted and leaves a bottle of cold milk out on the table for 1010 minutes. When he returns he notices that the bottle appears to be sweating. There are little droplets of water on the outside of the bottle.
Solution
Sure, let's break down what happened step by step:
- Initial Condition: Tom has a bottle of cold milk.
- Action: Tom leaves the bottle out on the table for 1010 minutes.
- Observation: When Tom returns, he notices droplets of water on the outside of the bottle.
Explanation:
- Cold Milk Bottle: The milk inside the bottle is cold, which means the temperature of the bottle is lower than the surrounding air.
- Exposure to Warm Air: When Tom leaves the bottle out on the table, it is exposed to the warmer air in the room.
- Condensation Process:
- The air around the bottle contains moisture in the form of water vapor.
- When the warm, moist air comes into contact with the cold surface of the bottle, the temperature of the air near the bottle drops.
- As the air cools down, it can no longer hold as much moisture, causing the water vapor to condense into liquid droplets.
- Result: These liquid droplets form on the outside of the bottle, making it appear as though the bottle is "sweating."
This phenomenon is known as condensation. It occurs when warm, moist air comes into contact with a cooler surface, causing the moisture in the air to change from a gas to a liquid.
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